Home / 701,127.28-1,050,860.53-321,728.22

Finding the Fourth Proportional to 701,127.28, 1,050,860.53 and 321,728.22

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Solution

The fourth proportional to 701,127.28, 1,050,860.53 and 321,728.22 is: 482,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,127.28 : 1,050,860.53 = 321,728.22 : x
  2. Step 2: Convert to fraction form
    701,127.28/1,050,860.53 = 321,728.22/x
  3. Step 3: Cross multiply
    701,127.28x = 1,050,860.53 × 321,728.22
  4. Step 4: Simplify right side
    701,127.28x = 338,091,487,282.46
  5. Step 5: Solve for x
    x = 338,091,487,282.46/701,127.28
  6. Step 6: Final answer
    x = 482,211.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.